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Question- Copper reacts with any oxygen present as an impurity in the ethylene used to make polyethylene. The copper is regenerated when hot H2 reduces the copper(II) oxide, forming the pure metal and H2O. The volume of H2 at 765 Torr and 225 oC needed to reduce 35.5 g of copper(II) oxide is
If possible just a to the point details about how you got the answer?
The dired sludge is 95% solids (5% water), and the liquid stream contains 8% solids. What is the quantity of dried sludge, and what is the liquid and solids flow in the liquid stream?
Ferrophosphorus reacts with pyrite producing iron (II) sulfide as well as a compound that is 27.87% P and 72.13% S by mass as well as has a molar mass of 444.56 g/mol
A solution was prepared to have a density of 1.20 g/mL and a molality of 2.24 m at 22oC. The Mm of the solute is 63.10 g/mol. (a) What is the molarity of the solution?
Calculate the total concentration of lead dissolved ([Pb]total) in a solution saturated with PbI2(s) and containing dissolved I- with a concentration of [I-] = 0.294 M. The solubility of lead is governed by the reactions shown below.
how much heat is required to change a 38.6 g ice cube from ice at -14.7 deg c to water at 65 deg c?alsohow much heat is
Compute the number of grams of sodium in 5.0 g of each of the subsequent sodium-containing food additives. NaCl (table salt)
Write the formula for the ion formed when each of the following elements loses its valence electrons?
What mass of sodium hydroxide must be added to 75.0 mL of 0.205 M acetic acid in order to create a buffer with a pH of 4.74? acetic acid Ka=1.8x10^-5
The reaction of coal with water at high temperatures produces synthesis gas, which is a mixture of carbon monoxide and hydrogen. Use the bond energies in the table below to estimate the enthalpy of the reaction
What is the energy of a C-C bond in kJ/mole? Explain. How does this amount of energy compare?
Binding energy is sometimes used to hold the substrate in an optimum orientation for the chemistry to occur. E. Binding energy contributes to the decrease in deltaG°'folding for solvent molecules surrounding the enzyme.
Compute the individual concentrations of HMR and MR in a mixture measured with absorbency 0.604 at 520 microns as well as absorbency 0.727 at 425 microns.
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